Hyundai Sonata LF: Air Conditioning System / Refrigerant Line Components and Components Location

Compressor oil Repair procedures

Oil Specification 1. The R-134a system requires synthetic (ND8) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed...

Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation

Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft...

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Check the output voltage of fuel pressure sensor (FPS). Specification : Refer to “Specification” Removal 1. Turn the ignition seitch OFF and disconnect the battery negative (-) cable...